【简答题】溶胶-凝胶制备材料工艺的机制大体可以为三种类型: , , 。
【单选题】Now you’ve made the decision, you must______.
【单选题】每张奖券中末等奖的概率为 p ,某人随机购买了 20 张奖券,设中末等奖的张数为 X ,则 X 服从
【简答题】nce2L55LW Letter writing [ref. at page 257 in nce2, lesson55]
【单选题】— Read the article below about report writing and the questions on the opposite page. — For each question 13-18, mark one letter (A, B, C or D) on your Answer Sheet for the answer you choose. Report w...
A.
The degree of accuracy in reports is higher now than in the past.
B.
Report writing and other forms of communication need similar skills.
C.
Readers are likely to respond favourably to attractively presented reports.
D.
The use of a computer can simplify the planning stage of a report.
【简答题】NCE2L55SW: Summary Writing [Ref. at page 257 in nce2, lesson 55)